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Finding the Fourth Proportional to 133,349.93, 183,873.25 and 84,875.08

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Solution

The fourth proportional to 133,349.93, 183,873.25 and 84,875.08 is: 117,032.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,349.93 : 183,873.25 = 84,875.08 : x
  2. Step 2: Convert to fraction form
    133,349.93/183,873.25 = 84,875.08/x
  3. Step 3: Cross multiply
    133,349.93x = 183,873.25 × 84,875.08
  4. Step 4: Simplify right side
    133,349.93x = 15,606,256,803.61
  5. Step 5: Solve for x
    x = 15,606,256,803.61/133,349.93
  6. Step 6: Final answer
    x = 117,032.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.